{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0xcdbf3e0bfdf2c2806c27278906a915479ced106cae05773e26e653b00ea81dea",
    "signature": "0xff04e3f87fa46560d7e8b69921cc2e28b913f4629d679008af8dcacefe1e4de44aeac843d5fe7fbde6e77ef873f40e60a46083bd6c9565c898f073597bf366211c",
    "signer": "0x2Ee26b90076E4CafA40Ac3ed38Bd98Fc7D5300C2",
    "userId": "36728862"
  }
}